CN111068234A - Polymorphic preparation method and fire extinguishing patch of novel bionic nanocapsule fire extinguisher - Google Patents
Polymorphic preparation method and fire extinguishing patch of novel bionic nanocapsule fire extinguisher Download PDFInfo
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0007—Solid extinguishing substances
- A62D1/0021—Microcapsules
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0092—Gaseous extinguishing substances, e.g. liquefied gases, carbon dioxide snow
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- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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Abstract
The invention discloses a polymorphic preparation method and a fire extinguishing patch of a novel bionic nanocapsule fire extinguisher, wherein the novel bionic nanocapsule fire extinguisher is prepared from a nano fire extinguishing capsule material, and comprises the fire extinguishing patch and fire extinguishing paint, and the method specifically comprises the following steps: (1) the preparation formula comprises the following components: according to the parts by weight, 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil, 10 parts of nano white carbon black and 15 parts of silicone resin; (2) uniformly mixing the flame retardant, the catalyst and the gas extinguishing agent; (3) sequentially adding organic silicon oil and nano white carbon black and uniformly mixing; (4) fully stirring to form a nano fire extinguishing capsule material; (5) uniformly mixing the nano fire extinguishing capsule material with 6 parts of silicone resin to form a fire extinguishing patch; (6) and (3) uniformly mixing the nano fire extinguishing capsule material with 9 parts of silicone resin to form the fire extinguishing coating. The fire extinguishing agent has good fire extinguishing effect and is suitable for extinguishing various flammable and combustible liquid fires and electrical equipment fires.
Description
Technical Field
The invention relates to a micro-nano capsule fire extinguishing agent, in particular to a polymorphic preparation method and a fire extinguishing patch of a novel bionic nano capsule fire extinguisher.
Background
The fire hazard threatens the life and property safety of the nation and people at any moment, and the fire hazard is often developed into a multi-factor fire hazard with complex fire conditions from a single cause due to different on-site combustible substances.
Fire extinguishing agents are substances that are effective in destroying combustion conditions in a combustion zone to resist or stop combustion. The fire extinguishing agent is widely used, such as water-based fire extinguishing agent, gas fire extinguishing agent, foam fire extinguishing agent, dry powder fire extinguishing agent, etc.
Although the dry powder fire extinguishing agent has low cost and simple production process, the dust pollution in the fire extinguishing process seriously damages human bodies and some materials, and the dry powder fire extinguishing agent has no functions of temperature reduction and re-combustion resistance and has larger use amount in fire extinguishing as the gas fire extinguishing agent.
The foam extinguishing agent is mainly used for extinguishing water-insoluble liquid fire, and is mainly used by fire-fighting troops.
The water-based fire extinguishing agent has high fire extinguishing efficiency, high fire extinguishing speed and difficulty in reignition, but can also be used for fighting against electrical fires.
Therefore, the research and development of the special fire extinguishing agent for the fire extinguishing apparatus, which is convenient to store, simple and safe to use and high in fire extinguishing efficiency, has important significance.
Aiming at the problems, the invention provides a polymorphic preparation method and a fire extinguishing patch of a novel bionic nanocapsule fire extinguisher, thereby solving the problem that various existing fire extinguishing agents are polluted or damaged by electric fire in use.
Disclosure of Invention
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a polymorphic preparation method of a novel bionic nanocapsule fire extinguisher is characterized in that the novel bionic nanocapsule fire extinguisher is prepared from a nano fire extinguishing capsule material, and comprises a fire extinguishing patch and fire extinguishing paint, and specifically comprises the following steps:
(1) the preparation formula comprises the following components: according to the parts by weight, 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil, 10 parts of nano white carbon black and 15 parts of silicone resin;
(2) uniformly mixing the flame retardant, the catalyst and the gas extinguishing agent at the temperature of below 20 ℃ and under the pressure of 4 Mpa;
(3) sequentially adding organic silicon oil and nano white carbon black at the temperature below 20 ℃ and the pressure of 4Mpa, and uniformly mixing;
(4) fully stirring the flame retardant, the catalyst, the gaseous extinguishing agent, the organic silicon oil and the nano-scale white carbon black to form a nano fire extinguishing capsule material;
(5) uniformly mixing the nano fire extinguishing capsule material and 6 parts of silicone resin at room temperature to form a fire extinguishing patch;
(6) and (3) uniformly mixing the nano fire extinguishing capsule material with 9 parts of silicone resin at room temperature to form the fire extinguishing coating.
In the scheme, the flame retardant is a halogen-free flame retardant additive.
In the scheme, the gas fire extinguishing agent is one or more of difluorodibromomethane, difluoromonochloro-bromomethane, trifluoromonobromomethane, tetrafluorodibromoethane and trifluoropropane.
In the above scheme, the organic silicone oil is hydrophobic organic silicone oil.
In the scheme, the nano-scale white carbon black is fumed silica.
In the scheme, the flame retardant, the catalyst, the gaseous extinguishing agent, the organic silicon oil and the nano-scale white carbon black are uniformly mixed by adopting high-precision nano-grinding equipment.
In the scheme, the nano fire extinguishing capsule material is a 15nm microcapsule structure powder material.
The fire extinguishing plaster is prepared by uniformly mixing a nano fire extinguishing capsule material and silicone resin, wherein the nano fire extinguishing capsule material is prepared from the following raw materials in parts by weight: 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil and 10 parts of nano white carbon black, wherein the silicone resin accounts for 6 parts.
Wherein, the flame retardant, the catalyst, the gas fire extinguishing agent, the organic silicon oil and the nano-scale white carbon black are mixed by high-precision nano-grinding equipment at the temperature below 20 ℃ and under the pressure of 4 Mpa.
Wherein, the mixing of the nano fire-extinguishing capsule material and the silicon resin is completed at room temperature.
Compared with the prior art, the invention has the beneficial effects that:
the invention can be used for nano automatic fire extinguishing film, filling fire extinguisher, automatic fire extinguishing device, fire extinguishing paint, automatic fire extinguishing system, and the like, and is mainly applicable to the fields comprising:
the system comprises an electronic and communication place, such as a microwave machine room, a decimetric wave machine room and a transformation and distribution room in a broadcast television transmitting tower. Program-controlled exchange room and signaling transfer point room. If adopt carbon dioxide to put out a fire, when spraying carbon dioxide for ambient temperature greatly reduced, the moisture condensation in the air becomes extremely concentrated water smoke, and the serious defiling that causes expensive electronic equipment has dissolved carbon dioxide and carbonic acid in the aquatic, has great influence to integrated core piece, circuit in computer room, the communication computer room, and can make electrical equipment surface produce electrostatic accumulation. The invention has no corrosion to the protection object and plays a certain protection role to the precious and precise instruments. The invention does not decompose, absorb moisture or agglomerate at normal temperature. The fire-extinguishing agent is convenient to store for a long time, has no residue after fire extinguishment, has good fluidity, dispersibility and electrical insulation, and can not cause short circuit of electrical equipment and electric shock accidents of fire fighters when a fire disaster happens.
Secondly, the method can be used in places with non-renewable resources such as cultural heritage, financial data and the like, such as national and provincial libraries, treasure houses in archives and treasure houses in museums; a display chamber for the first-grade paper silk cultural relics; file rooms, bill rooms, important data rooms and news centers of financial departments; expensive facilities in large medical facilities, and the like. The water mist also causes irreparable damage to the protection while extinguishing the fire. The cultural relics heritage is a single and non-renewable resource, so when the fire extinguishing main material is selected and applied in the fire extinguishing system, the fire extinguishing effect is good, the fire extinguishing speed is high, the cultural relics heritage is not corroded and damaged, and the long-term safe storage of the cultural relics is facilitated.
The invention is a new product completely different from common dry powder, foam and gas fire extinguishing agent, and the fire extinguishing agent has no corrosion, damage, re-combustion and other effects on cultural relics and heritage proved by detection of relevant national departments and a large number of experiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Example one
The embodiment provides a polymorphic preparation method of a novel bionic nanocapsule fire extinguisher, the novel bionic nanocapsule fire extinguisher is prepared from a nano fire extinguishing capsule material, and the novel bionic nanocapsule fire extinguisher comprises a fire extinguishing patch and fire extinguishing paint, and specifically comprises the following steps:
(1) the preparation formula comprises the following components: according to the parts by weight, 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil, 10 parts of nano white carbon black and 15 parts of silicone resin;
(2) uniformly mixing the flame retardant, the catalyst and the gas extinguishing agent at the temperature of below 20 ℃ and under the pressure of 4 Mpa;
(3) sequentially adding organic silicon oil and nano white carbon black at the temperature below 20 ℃ and the pressure of 4Mpa, and uniformly mixing;
(4) fully stirring the flame retardant, the catalyst, the gaseous extinguishing agent, the organic silicon oil and the nano-scale white carbon black to form a nano fire extinguishing capsule material;
(5) uniformly mixing the nano fire extinguishing capsule material and 6 parts of silicone resin at room temperature to form a fire extinguishing patch;
(6) and (3) uniformly mixing the nano fire extinguishing capsule material with 9 parts of silicone resin at room temperature to form the fire extinguishing coating.
Wherein the flame retardant is a halogen-free flame retardant additive. Such as magnesium oxide, etc. The halogen-free flame retardant JLH-W666 is a high-performance phosphorus-nitrogen organic flame retardant, is a triazinetrione compound and a triazinetriamine compound, is subjected to special surface treatment, is easy to disperse in plastic materials, does not precipitate, and has good flame retardant effect. The W666 decomposition temperature is about 450 ℃, the maximum particle size (D50%) is 20/um, the appearance is white powder, the high-temperature-resistant high-performance halogen-free flame retardant without affecting the color of the product is recommended to be applied to polyamide (nylon) and widely applied to epoxy resin, polyurethane, polystyrene, polyester (PET, PBT), polyolefin and halogen-free wires and cables, 15-30% of halogen-free flame retardant W666 is recommended to be added, and 94UL can reach the standard of V0-V2.
The gas extinguishing agent is one or more of difluorodibromomethane, difluoromonochloro-bromomethane, trifluoromonobromomethane, tetrafluorodibromoethane and trifluoropropane. The gas fire extinguishing agent generates no residue in the fire extinguishing process, and does not generate any physical and chemical damage to electronic and electrical components on the fire scene.
After the flame retardant and the fire extinguishing agent are packaged by the nano film, the flame retardant and the fire extinguishing agent are stable in form and chemical substances, are tolerant in an environment of 30-70 ℃ below zero, and have a theoretical life of more than 15 years. The fire extinguishing agent does not need maintenance and testing, does not use auxiliary objects for storage, directly acts in a space, can adjust the temperature of automatic fire extinguishing according to a formula, adapts to the action temperature of different small space hazard sources, and can keep the stability of a daily state.
The organic silicone oil is hydrophobic organic silicone oil. The hydrophobic organic silicone oil can enable the microcapsules to have better fluidity and prevent agglomeration.
The nano-scale white carbon black is fumed silica. The white carbon black can fill gaps among the microcapsules, reduce friction among the microcapsules and prevent the microcapsules from breaking.
The fire retardant, the catalyst, the gas fire extinguishing agent, the organic silicon oil and the nano-scale white carbon black are uniformly mixed by adopting high-precision nano grinding equipment, and the formed nano fire extinguishing capsule material is a 15nm microcapsule structure powder material.
The silicone resin mainly comprises methyl phenyl silicone resin, methyl silicone resin, low phenyl methyl silicone resin, silicone resin emulsion, self-drying silicone resin, high-temperature silicone resin, epoxy modified silicone resin, silicone polyester modified resin, self-drying environment-friendly silicone resin, non-stick coating silicone resin, highlight silicone resin, benzyl transparent silicone resin, methyl transparent silicone resin and mica bonding silicone resin, polymethyl silicone resin, amino silicone resin, fluorosilicone resin, silicone resin solution, silicone-epoxy resin, silicone polyester resin, solvent-resistant silicone resin, silicone resin adhesive, fluorosilicone resin silicone resin sealant, high-temperature-resistant methyl silicone resin, self-drying silicone insulating paint, methyl MQ silicone resin, vinyl MQ silicone resin and silicone acrylic resin paint.
Example two
The embodiment provides a fire extinguishing plaster, which is prepared by uniformly mixing a nanometer fire extinguishing capsule material and silicone resin, wherein the nanometer fire extinguishing capsule material is prepared from the following raw materials in parts by weight: 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil and 10 parts of nano white carbon black, wherein the silicone resin accounts for 6 parts.
Wherein, the flame retardant, the catalyst, the gas fire extinguishing agent, the organic silicon oil and the nano-scale white carbon black are mixed by high-precision nano-grinding equipment at the temperature below 20 ℃ and under the pressure of 4 Mpa.
The mixing of the nanometer fire extinguishing capsule material and the silicon resin is completed at room temperature.
The patch of putting out a fire can be puted up in the inside of block terminal, switch socket, all kinds of cabinets body, conveniently puts out a fire measure and reforms transform, installs additional.
The fluorine ions in the fire extinguishing agent molecules contained in the nano fire extinguishing capsule material are beneficial to the thermal stability and chemical inertness of fire extinguishing, and the bromine ions are effective components of the fire extinguishing agent in the fire extinguishing process. The fire extinguishing principle of the fire extinguishing agent is mainly characterized in that bromide ions destroy the chain chemical reaction of hydrogen ions generated in the combustion process of fuel, and the combustion is interrupted to achieve the purpose of extinguishing fire. But also has the physical effects of cooling and reducing the temperature of a water system and the foam extinguishing agent. It is suitable for extinguishing various inflammable and combustible liquid fires and electrical equipment fires.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The polymorphic preparation method of the novel bionic nanocapsule fire extinguisher is characterized in that the novel bionic nanocapsule fire extinguisher is prepared from a nano fire extinguishing capsule material, and comprises a fire extinguishing patch and a fire extinguishing coating, and specifically comprises the following steps:
(1) the preparation formula comprises the following components: according to the parts by weight, 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil, 10 parts of nano white carbon black and 15 parts of silicone resin;
(2) uniformly mixing the flame retardant, the catalyst and the gas extinguishing agent at the temperature of below 20 ℃ and under the pressure of 4 Mpa;
(3) sequentially adding organic silicon oil and nano white carbon black at the temperature below 20 ℃ and the pressure of 4Mpa, and uniformly mixing;
(4) fully stirring the flame retardant, the catalyst, the gaseous extinguishing agent, the organic silicon oil and the nano-scale white carbon black to form a nano fire extinguishing capsule material;
(5) uniformly mixing the nano fire extinguishing capsule material and 6 parts of silicone resin at room temperature to form a fire extinguishing patch;
(6) and (3) uniformly mixing the nano fire extinguishing capsule material with 9 parts of silicone resin at room temperature to form the fire extinguishing coating.
2. The polymorphic preparation method of the novel bionic nanocapsule fire extinguisher according to claim 1, wherein the fire retardant is a halogen-free flame retardant additive.
3. The polymorphic preparation method of the novel bionic nanocapsule fire extinguisher according to claim 1, wherein the gaseous extinguishing agent is one or more of difluorodibromomethane, difluoromonochloromonobromomethane, trifluoromonobromomethane, tetrafluorodibromoethane, and trifluoropropane.
4. The polymorphic preparation method of the novel bionic nanocapsule fire extinguisher according to claim 1, wherein the silicone oil is a hydrophobic silicone oil.
5. The polymorphic preparation method of the novel bionic nanocapsule fire extinguisher according to claim 1, wherein the nano-scale white carbon black is fumed silica.
6. The polymorphic preparation method of a novel bionic nanocapsule fire extinguisher according to claim 1, wherein the fire retardant, the catalyst, the gaseous fire extinguishing agent, the silicone oil and the nano white carbon black are uniformly mixed by a high-precision nano grinding device.
7. The polymorphic preparation method of the novel bionic nanocapsule fire extinguisher according to claim 1, wherein the nano fire extinguishing capsule material is a 15nm microcapsule-structured powder material.
8. The fire extinguishing plaster is characterized by being prepared by uniformly mixing a nano fire extinguishing capsule material and silicone resin, wherein the nano fire extinguishing capsule material is prepared from the following raw materials in parts by weight: 15 parts of flame retardant, 3 parts of catalyst, 20 parts of gas extinguishing agent, 2 parts of organic silicone oil and 10 parts of nano white carbon black, wherein the silicone resin accounts for 6 parts.
9. The fire extinguishing patch according to claim 8, wherein the fire retardant, the catalyst, the gaseous fire extinguishing agent, the silicone oil and the nano-sized white carbon black are mixed by a high-precision nano-grinding device at a temperature below 20 ℃ and under a pressure of 4 Mpa.
10. The patch as claimed in claim 8, wherein the mixing of the nano fire extinguishing capsule material and the silicone resin is performed at room temperature.
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